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Laboratory Quality
Assurance Evaluation Program for Analysis of Cryptosporidium under the Safe Drinking Water Act
The purpose of this Laboratory Quality Assurance Program is to maintain a list of laboratories that can reliably measure the occurrence of Cryptosporidium in surface water using EPA Method 1622 and/or EPA Method 1623. Participating laboratories continue to demonstrate proficiency with experienced personnel who have successfully demonstrated their capability.
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- List of Laboratories Approved for the Analysis of Cryptosporidium under the SDWA
- March 4, 2002 Federal Register Notice
- February 25, 2009 Federal Register Notice| PDF Version (6pp, 116K)
- EPA Method 1622
(December 2005) (PDF 75 p, 1 M)
- EPA Method 1623
(December 2005) (PDF 75 p, 1 M)
- Application Package for Verification of Cryptosporidium Laboratory Quality Assurance (Word File, 1M)
- Example Control Chart (Excel File, 38K)
- Method 1623 Bench Sheet PDF (1 pg, 27K)
- Method 1623 Examination Form PDF (1 pg, 33K)
- Batched Bench Sheet (Excel File, 44K)
- Slide Count Report Form (Word File, 40K)
As of May 2007, EPA estimates that sufficient laboratory capacity exists for the LT2. EPA has generally postponed evaluation of additional laboratories, including commercial, county, municipal and utility laboratories, until further notice. EPA will consider evaluation of State and EPA Regional laboratories on a case-by-case basis, resources permitting, based on the role that States and EPA Regions play in the certification and approval programs for laboratories.
Carrie Miller, Manager, Cryptosporidium Laboratory Approval Program
U.S. Environmental Protection Agency
Office of Ground Water and Drinking Water, Technical Support Center
26 West Martin Luther King Dr. (MS-140)
Cincinnati, Ohio 45268
fax number, (513) 569-7191
e-mail address: miller.carrie@epa.gov
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List of Laboratories
Approved for the Analysis of Cryptosporidium Under the Safe
Drinking Water Act
The following laboratories have passed the Laboratory Quality Assurance Evaluation
Program for Analysis of Cryptosporidium under the Safe Drinking Water
Act,
and have been granted "Approved" status. The purpose of the
Lab QA Program is to identify laboratories that can reliably measure the occurrence
of Cryptosporidium in surface water using EPA Method 1622 and/or EPA
Method 1623.
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